What Happens If Samantha, Whose View of the Database Contains

question 24

Multiple Choice

What happens if Samantha, whose view of the database contains only a portion of the rows and columns of the base table, attempts to add a row to the table through her view?

• A) Samantha's INSERT command will automatically be rejected.
• B) Samantha could accidentally add a row with a duplicate primary key to the table.
• C) If Samantha's INSERT command succeeds, the new row will contain several null values.
• D) If all the columns in the base table accept nulls, Samantha's INSERT command will fail.

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Definitions:

Geometric Sequence

An ordered list of numbers where each term is multiplied by a constant factor to obtain the next term.

N Th Term

The expression that represents the term in a sequence or series that is in position "n", typically referred to in algebra and arithmetic sequences.

Binomial Coefficient

A value that represents the number of ways to choose a specified number of elements out of a set, often expressed as "n choose k".

Sum

The result of adding two or more numbers or quantities.